{"action":"Upgrade linux to 6.4.13-1 or later.","affected":[{"fixed":"6.4.13-1","introduced":"0"}],"component":"linux","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:14","exploited":false,"fixed_versions":["6.4.13-1"],"id":"tcs_01M5NJ8H16T3R4FPR0693ZZ05T","modified_at":"2026-10-26T18:02:41.238591259Z","published_at":"2023-10-16T03:15:09.273Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2023-40791","https://security-tracker.debian.org/tracker/CVE-2023-40791"],"severity":{"label":"medium","score":6.3},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2023-40791#Debian:14/linux","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2023-40791"}],"summary":"extract_user_to_sg in lib/scatterlist.c in the Linux kernel before 6.4.12 fails to unpin pages in a certain situation, as demonstrated by a WARNING for try_grab_page."}